A University of Wyoming faculty member is part of a research team that created a method, using laser, to better decode complex neural circuits in the brain—a process that eventually may help unlock the ...

(HealthDay)—According to a new report, 15.6 million cosmetic procedures, including both minimally-invasive and surgical, were performed in the United States in 2014, an increase of 3 percent since 2013. ...

(HealthDay)—For patients with axillary hyperhidrosis, the optimal treatment option is laser at 924/975 nm combined with curettage, according to a study published online Feb. 6 in Lasers in Surgery and Me ...

A new technique reported in the February 2015 issue of The FASEB Journal suggests that during early stages, it might be possible to reverse age-related macular degeneration, a leading cause of blindness that is currently irreve ...

Researchers at Henry Ford Hospital in Detroit have identified a gene that may offer a better understanding of how keloid scars develop and potentially open the door to improved treatment for the often painful, ...

A review of more than a decade's worth of research on osteonecrosis of the jaw—when the bone in the jaw is exposed and begins to starve from a lack of blood—points to an increased risk for patients taking certain drugs ...

The first long-term study of a pioneering endoscopic laser treatment for early vocal-cord cancer, developed at Massachusetts General Hospital (MGH) and previously shown to provide optimal voice outcomes, finds that it is ...

Combining physics and neurobiology to tackle Parkinson's Disease is research "I would never have been able to do outside of OIST," says Professor Keshav Dani. The Okinawa Institute of Science and Technology ...

For patients with mesial temporal lobe epilepsy (MTLE) that can't be controlled by medications, a minimally invasive laser procedure performed under MRI guidance provides a safe and effective alternative to surgery, suggests ...

Laser

A laser is a device that emits light (electromagnetic radiation) through a process called stimulated emission. The term laser is an acronym for light amplification by stimulated emission of radiation. Laser light is usually spatially coherent, which means that the light either is emitted in a narrow, low-divergence beam, or can be converted into one with the help of optical components such as lenses. Typically, lasers are thought of as emitting light with a narrow wavelength spectrum ("monochromatic" light). This is not true of all lasers, however: some emit light with a broad spectrum, while others emit light at multiple distinct wavelengths simultaneously. The coherence of typical laser emission is distinctive. Most other light sources emit incoherent light, which has a phase that varies randomly with time and position.